Regarding pipe/turbine alignment, simple things have been made here: http://www.rcuniverse.com/forum/m_3250195/tm.htm
I would love a fuel monitoring tool that lets me know either how much fuel is remaining in the jet, or tells me the flying time is up ans it's time to land.
Something similar to this sensor wise... :
http://www.luetzenburger-online.de/
Click on "fuel watch xa"...